9091911110922 has 12 divisors (see below), whose sum is σ = 19699140740370. Its totient is φ = 3030637036968.

The previous prime is 9091911110917. The next prime is 9091911110981. The reversal of 9091911110922 is 2290111191909.

It can be written as a sum of positive squares in only one way, i.e., 4943556474921 + 4148354636001 = 2223411^2 + 2036751^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252553086397 + ... + 252553086432.

Almost surely, 2^{9091911110922} is an apocalyptic number.

9091911110922 is an abundant number, since it is smaller than the sum of its proper divisors (10607229629448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9091911110922 is a wasteful number, since it uses less digits than its factorization.

9091911110922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505106172837 (or 505106172834 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 9091911110922 in words is "nine trillion, ninety-one billion, nine hundred eleven million, one hundred ten thousand, nine hundred twenty-two".